sid assembly procedures
DESCRIPTION
SID Assembly Procedures. European and Japanes Site. Marco Oriunno , SLAC SID Workshop - August 22, 2012. Assembly procedures driven by SID design features. Compact design with 5 T Solenoid Single Ring Barrel ~ 4’000 tons Self Shielded: Stray Fields & Radiation - PowerPoint PPT PresentationTRANSCRIPT
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SID Assembly Procedures
Marco Oriunno , SLAC
SID Workshop - August 22, 2012
European and Japanes Site
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Assembly procedures driven by SID design features
Compact design with 5 T Solenoid
Single Ring Barrel ~ 4’000 tons
Self Shielded: Stray Fields & Radiation
Short L* with QD0’s supported from the doors
Sub System TonsBarrel Ecal 60Barrel Hcal 450Coil 192Barrel Iron 3287Total Barrel 3990 Endcap Ecal 10Endcap Hcal 38Endcap Iron 2100Pacman 100Feet 60BDS 5Total Door (x1) 2313 Total SiD 8615
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Assembly Procedures for different Sites
•Vertical shafts (Europe, Americas) •Horizontal shafts (Japan)
• The assembly procedure will be different for the two sites
• Both layouts must satisfy push-pull requirements
• The detector hall must be optimized for costs: benefits vs. features
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Vertical Shafts
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Detector Hall Design: Vertical Shaft
Five shafts Layout : single large shaft above the IP, two
smaller shafts on the alcoves, two shafts for personnel
access.
Cost optimization vs. features, like IP commissioning
without detectors.
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1. Assembly of Iron Doors+Barrel on surface
2. Commissioning of the magnet on surface
3. Very Large capacity gantry
Surface assembly a la CMS
4’000 tons Gantry200 + 20 tons Crane
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To Damping Ring
To the Surface
Detector Hall, Japanese Mountain Site
Installation tunnel
SID
ILD
IP
e+
e-
X
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Site Delivery prior the start of the Detector Assembly
1. Two Cranes 215 tons,
2. Platforms
3. Minimum set of infrastructures (Power, Compr. Air, etc.)
4. Pacmen can wait until detectors are ready
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Door Assembly
Total Mass ~ 2’300 Tons
Pacmanon the door
11 x 200mm Iron plates40mm gap
HCAL& EMCAL FWR
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Intra-plate connections Spacer Offset
Door Design
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66 Tons
• 11 trips from the Surface (per Door)• 1 heavy lift / day
Door Assembly on the platform
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Iron Barrel Yoke layout
Bolted assembly, 144 plates 200 mm thick, 40mm gap
Opportunity to make blank assembly at the factory before shipping
Preliminary Contacts with Kawasaki Heavy Industries
•Plate thickness tolerance for each: 0.1mm
•Plate flatness: 4mm (in a plate)
•Fabrication (assembling & welding) tolerance: 2mm
•Full trial assembly: capable (but need to study)
211 tonne
203 tonne
3990 tons
Max. Crane capacity 215 Tons
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• 16 trips from Surface• 1 heavy lift / day
Barrel Assembly
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DIDRing 1
Ring 2
Total Mass = 180 Tons
Solenoid Cross section
Solenoid assembly
1. Assembly on Site (surface)
2. Test with low current
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215 tons Crane
Solenoid Installation
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SLD, Liquid Argon CalorimeterAssembly Beam (Option 1)
Truck with HCAL Module
Assembly beam
Insertion beam
Assembly Spider
HCAL Barrel Assembly
CMS HCAL barrel on the cradle (Option 2)
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Cryogenic Layout : Two options
Plan A : Cold Boxes are stationary. Cold Transfer lines to
each detector. Reliability for push-pull. Not off-the-shelf.
Plan B : Cold Boxes on the platform. Warm Transfer lines to
each cold box. Vibrations, fringe field effects, space
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Integration of the Cryogenic plant on the platform
Main LHe refrigerator and LHe2 for the QD0’s above level on metallic structure.
LHe BoxLHe2LHe2
Valve Box
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Compressor cavern
The compressor cavern for the Gas Helium is located at
~300 m form the detector hall
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Flexible Line to the Compressor
The GHe line from the compressor is flexible, in a cable chain
Gas line
Cable Chain
28 m
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Flexible Line to the Compressor
The GHe line from the compressor is flexible, in a cable chain
Gas line
Cable Chain
28 m
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Cryogenic layout: SID and ILD
The GHe line from the compressor is flexible, in a cable chain
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Access Portal Logistic
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Summary
We developed credible Assembly scenarios for both the Vertical and
Horizontal access shafts.
The Japanese Mountain site with horizontal shafts is preferred by SID,
being closer to the original assembly procedure considered for the design
of the detector.
Still a margin to optimize further costs and procedures.
More work is needed to define the layout of the cryogenic distribution and
services
The logistic and procedures of the Portal Site on surface for the
preassembly of the detector need to be defined.